I brought my OTS to a local (and very good) tech and he showed me on the scope that the MID only works if the bass (and treble?) are set in a certain range. In some settings the mid had no effect at all. Had soemthing to do with the design.
Most has been said allready. With Humbuckers I tink the output of the puckups is important as well. I play a Hamer Studio with Seymour Duncan '59's I need to set the clean volume low (to about 3) and I have turned down the pickups to avoid a nasty buzzing edge to the sound. I think the OTS is very sensitive to the input. Single coil pickups give me kless problems.
Set the OD trimmer to about 9.30. experiment with different tubes.
Turn the power on, take it off standby and let it warm up for 5 mins or so. (however if this is the first time with a different set of tubes ie a change from 6L6 to El34, don't wait, get the bias into the right ball park staight away)
Turn master and volume down to 0.
Turn on your multimeter and select volts (DC if its not autodetect) (mV across the 1ohm resistor = mA)
Plug black probe into black socket and red into red. You might have to hold them to make contact if they don't fit well. Take the reading. Then move the red to the other red socket. If the valves are matched the readings should be similar.
Use the pot to get where you need to be, keep checking both sides. Play it. Try it hotter or colder within reason, find you're own preferred bias.
it was merely a suggestion for Foreg. I use a Rocktron Xpression in my loop. It has a internal mixer which lets you send the direct analog signal to the output. It enables you to mix in the effect, which has gone through and A/D converter. so in actual fact the effect is parallel.
Guys Thanks alot for your input!! This kind of thing reminds me how wonderfull the Internet is!
One more question If I want to measure the output of my pickups can I plug in a guitar cable and measure the output on the jackplug?? If I do it that way I get 7,5 and 8.1 output. Not sure if that is the right/accurate way to do it though.
I think it depends on what version of the CryBaby 535Q you have. With mine the signal still passes through the pedal without an adapter connected. This isn't the case with the TS9.
I use my loop with a Kleinulator, a Dynacord CLS222 leslie and a Rocktron Xpression. this works well! I have a pedal board as well. Korg Pitchblack tuner Cry Baby 535Q EMMA discumbobulator Keeley TS9 Wampler Ecstacy Drive I use GeorgeL patch cables I was having issues witht he sound as well Hum: turned out I needed to use seperate adaptors for my Kleinulator and for my pedals. And I was suffering from a loss of tone. My pedalds are all true bypass......ecept for the TS9. It turned out it makes a differences where the TS9 is in the pedal order. Also I was having some issues witht he cables. It's a lot better now. the direct tone is almost the same as the tone through the pedalboard. I guess it would be best to bypass the whole pedal chain as much as possible. I ordered a buffer pedal. We'll see what that does for the signal.
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